CN205849498U

CN205849498U - A kind of articulated type aneurysm clamp

Info

Publication number: CN205849498U
Application number: CN201620344335.XU
Authority: CN
Inventors: 王喆
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-04-23
Filing date: 2016-04-23
Publication date: 2017-01-04
Anticipated expiration: 2026-04-23

Abstract

The utility model discloses a kind of articulated type aneurysm clamp, it is included being connected as one by elastic device and can two jig arm of folding, connect between two jig arm and have fair device, two jig arm include at least two joint arms respectively, hinge between adjacent two joint arm, the axis direction of bearing pin is consistent with the folding direction of jig arm to be arranged, in adjacent two joint arm, wherein a joint arm is provided with slot, another root joint arm is provided with the plug stretching in slot, arrange to be provided with on the joint arm of plug and insert and rotating slotted eye for described bearing pin, equipped with cushion bottom slotted eye, described bearing pin is from arranging the lateral part inserting and stretching out this joint arm inside the joint arm of slot, the overhanging position of bearing pin is provided with pressing contact, locking headstock gear it is provided with between described bearing pin and joint arm.This utility model simple in construction, has that aneurysm clamping effect is definite, operating time is short, a low cost of performing the operation and alleviate the advantage that patient is ailing, be prevented effectively from disease recurrence.

Description

A kind of articulated type aneurysm clamp

Technical field

This utility model relates to a kind of articulated type aneurysm clamp.

Background technology

Intracranial aneurysm is that the expansion of arteriocerebral localized abnormality causes the warty of arterial wall to highlight, and is intracranial vessel pathological changes In the high disease of common danger, be one of most common factor that subarachnoid hemorrhage occurs, its greatest danger is to rupture Cerebral hemorrhage that is hemorrhage, that the most generally said, treatment aneurysm most efficient method is aneurysm incarcerated operation at present.

When carrying out aneurysm incarcerated operation, aneurysm clamp need to be used, by gripper clamp, aneurysm clamp is opened, by aneurysm Two clamping limbs of folder clamp the aneurysm on cerebral arteries, thus realize the prominent blood of warty and block.Due in operation of opening cranium Visual area scope is little, and the aneurysmal shape on the cerebral arteries of cylinder is of all kinds, is difficult to the tremulous pulse by unified model Aneurysm is clamped by tumor folder, so that the aneurysm clamp of design various shape, thus cause the increase of production cost, it addition, As run into aneurysm prominent on arteriocerebral multiple side, use an aneurysm clamp to be difficult to be clamped, use multiple dynamic Clamping gap can be left during arteries and veins tumor folder unavoidably, easily cause the failure of above-mentioned neck clipping and cause clip incomplete or aneurysm Recurrence.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of can be entered the aneurysm that eparterial many sides are prominent The articulated type aneurysm clamp of row effectively clamping.

For solving above-mentioned technical problem, the articulated type aneurysm clamp provided include being connected as one by elastic device and Can two jig arm of folding, it is structurally characterized in that: connects between described two jig arm to have and keeps two parallel relative holding of jig arm Leveling device, two jig arm are symmetrical arranged and include respectively at least two joint arms, cut with scissors by bearing pin between adjacent two joint arm Connecing, the axis direction of bearing pin is consistent with the folding direction of jig arm to be arranged, and wherein sets on a joint arm in adjacent two joint arm The slot being inwardly recessed outside it along jig arm length direction, another root joint arm is had to be provided with the plug stretching in slot, if Put to be provided with on the joint arm of plug and insert and rotating slotted eye for described bearing pin, equipped with cushion bottom slotted eye, described pin Axle is from arranging the lateral part inserting and stretching out this joint arm inside the joint arm of slot, and the overhanging position of bearing pin is provided with pressing and touches Head, is provided with when bearing pin is stretched along joint arm between described bearing pin and joint arm and realizes relatively rotating and working as bearing pin of two joint arm The locking headstock gear suppressed the angle locking of two joint arm after the overhanging return of joint arm at cushion.

After using said structure, when carrying out aneurysm incarcerated operation, by Basilar artery folder, the brain treating operative site is moved Arteries and veins blocks, and orders about two jig arm by gripper clamp clamping elastic device and opens, due to fair device during opening Arrange, remain during the opening and closing of two jig arm can be made parallel relatively, according to perspective art position, pressing bearing pin and locking open Closing the cooperation of device, make adjacent two joint arm shape at a certain angle in advance, whole jig arm can be curved or semicircle Etc. multiple shapes, thus adapt to difformity especially many sides encirclement type aneurysm, by two jig arm clamping aneurysms, pine Opening gripper clamp, aneurysm is clamped, during whole neck clipping by two jig arm Guan Bis, it is not necessary to arrange multiple aneurysm clamp, and And the setting of jig arm angle can be carried out according to difform aneurysm, not only achieve complete clamping aneurysm, shorten Operating time, reduce operation cost, and improve the postoperative effect of aneurysm incarcerated operation, it is to avoid prevents multiple aneurysm The operational difficulty carried secretly, also avoids the situation causing neck clipping to lose efficacy because of the appearance in clamping gap, greatly reduces hands Art cost, improves surgical effect.

Described locking headstock gear includes being arranged on the spline segment of the section of stretching in bearing pin, and described slotted eye is the most gradually hole Footpath becomes big interior stepped hole, the aperture hole wall in interior stepped hole is provided with the spline coordinated with described spline segment, arranges slotting Arranging the through hole penetrated for bearing pin on the joint arm of groove, through hole is the outer step hole that aperture becomes larger from the outside to the core, outer step It is provided with, on aperture hole wall in hole, the spline coordinated with described spline segment.

Described locking headstock gear includes that the land being arranged on bearing pin inner extending end, the outer surface of described land are provided with edge It radially extends and annularly-distributed multiple tracks lobe, and the outer end of described slotted eye is provided with the ring edge that can catch on land, described ring edge interior Surface is provided with the teeth groove coordinated with described lobe.

Described fair device includes being connected in one jig arm in downside and covering the fair bar being pressed in another jig arm, maintains an equal level Forming the passage swung for another jig arm between bar and the jig arm of downside, described another jig arm is through stretching out after this passage Section is oppositely arranged with the jig arm of downside.

Described elastic device includes the turn being connected to two jig arm rear portions and being connected as a single entity with jig arm, two jig arm Rear portion the most outwardly and is connected as a single entity with two overhanging arms of turn, the outer surface of jig arm and the connecting portion of described overhanging arm It is provided with straight clamping part, clamping part arranges anti-slip veins.

In sum, this utility model simple in construction, there is aneurysm (particularly complicated shape aneurysm) clamping effect Definitely, operating time is short, low cost of performing the operation and alleviate the advantage that patient is ailing, be prevented effectively from disease recurrence.

Accompanying drawing explanation

Below in conjunction with the accompanying drawings this utility model is further described:

Fig. 1 is the structural representation that a kind of aneurysm on prior art mesencephalic arteries carries out aneurysm incarcerated operation；

Fig. 2 is the structural representation that the another kind of aneurysm on prior art mesencephalic arteries carries out aneurysm incarcerated operation；

Fig. 3 is the structural representation of a kind of embodiment of this utility model；

Fig. 4 is the structural representation that Fig. 3 overlooks；

Fig. 5 is the structural representation of a jig arm in Fig. 3 embodiment；

Fig. 6 is the partial structurtes schematic diagram of the joint arm arranging slot；

Fig. 7 is the structural representation that Fig. 6 looks up；

Fig. 8 is the partial structurtes schematic diagram of the joint arm arranging plug；

Fig. 9 is the structural representation that Fig. 8 overlooks；

Figure 10 is the structural representation of bearing pin in Fig. 3 embodiment；

Figure 11 is the partial structurtes schematic diagram of jig arm in this utility model another kind embodiment；

Figure 12 is A portion enlarged drawing in Figure 11 embodiment；

Figure 13 is the structural representation that Fig. 3 embodiment uses state；

Figure 14 is the structural representation of this utility model another embodiment；

Figure 15 is the use state diagram of Figure 14 embodiment.

Detailed description of the invention

As depicted in figs. 1 and 2, in prior art, figure illustrates the two kinds of feelings growing aneurysm 102 on cerebral arteries 101 Shape, in situation in FIG, utilizes existing aneurysm clamp 100, carries out appropriately curved by the jig arm of aneurysm clamp 100, Aneurysm 102 is clamped；Situation in fig. 2, owing to occurring semi-ring pouch-type aneurysm on cerebral arteries 101, i.e. aneurysm occurs In arteriocerebral multiple sides, thus when only using an aneurysm clamp, easily occur can not clamping this completely aneurysmal scarce Point, i.e. continues sub-tumor occur, thus is necessary to use two aneurysm clamps the most plural from the side of aneurysm clamp, figure In employ two aneurysm clamps, owing to visual area scope is little, thus the operation easier placing these two aneurysm clamps is big, and There will be gap between two aneurysm clamps, blood goes successively to this aneurysm possibly through this gap, thus causes folder to close The inefficacy of art.

As shown in Figures 3 to 10, this utility model is for drawbacks described above, it is provided that the enforcement of a kind of articulated type aneurysm clamp Example, for convenience of describing, to be respectively the outside of jig arm above and below two jig arm in Fig. 4, the position in the middle of two jig arm is it Inner side, this articulated type aneurysm clamp include being connected as one by elastic device and can two jig arm 1 of folding, elastic device bag Include the turn 4 being connected to two jig arm rear portions and being connected as a single entity with jig arm, the rear portion of two jig arm the most outwardly and with bullet Two overhanging arms of spring coil 4 are connected as a single entity, and jig arm is provided with straight clamping part with the outer surface of the connecting portion of described overhanging arm 5, clamping part 5 arranges anti-slip veins, arranging above-mentioned clamping part and anti-slip veins so that the stable clamping of gripper clamp, and can lead to The setting crossing turn 4 can make elastic stability, the i.e. folding of two jig arm more stable, and connecting between described two jig arm 1 has Keeping two parallel relative fair devices of jig arm 1, fair device includes being connected in one jig arm 1 in downside and covering being pressed in another Fair bar 3 in jig arm 1, maintains an equal level and forms the passage swung for another jig arm 1, another between bar 3 and the jig arm of downside Jig arm is oppositely arranged through the jig arm of the section of stretching out after this passage with downside, when said structure can make two jig arm clamping aneurysms Of completely closed, thus stop blood to flow into aneurysm.Two jig arm 1 are symmetrical arranged and include at least two joint arms 11 respectively, It is provided with two joint arms in the present embodiment, hinged by bearing pin 12 between adjacent two joint arm 11, the axis side of bearing pin Arranging to consistent with the folding direction of jig arm, in adjacent two joint arm, wherein a joint arm 11 is provided with along jig arm 1 length Slot 13, another root joint arm 11 that direction is inwardly recessed outside it are provided with the plug 14 stretched in slot 13, arrange slotting It is provided with on the joint arm 11 of head and inserts and rotating slotted eye 15 for described bearing pin, equipped with cushion 16 bottom slotted eye 15, institute Stating bearing pin and certainly arrange the lateral part inserting and stretching out this joint arm inside the joint arm of slot, the overhanging position of bearing pin is provided with pressing Contact 17, is provided with when bearing pin is stretched along joint arm between described bearing pin and joint arm and realizes relatively rotating and working as of two joint arm Bearing pin is at the locking headstock gear suppressed the angle locking of two joint arm after the overhanging return of joint arm of cushion, in this reality Executing in example, locking headstock gear includes being arranged on the spline segment 121 of the section of stretching in bearing pin 12, and described slotted eye 15 is the most gradually Aperture becomes big interior stepped hole, and the aperture hole wall in interior stepped hole is provided with the spline coordinated with described spline segment 121, if Putting and arrange the through hole 18 penetrated for bearing pin on the joint arm of slot, through hole 18 is the outer step that aperture becomes larger from the outside to the core Hole, the aperture hole wall in outer step hole is provided with the spline coordinated with described spline segment 121.

As shown in Figures 3 to 10, when using this utility model to carry out aneurysm incarcerated operation, according to perspective art position, manually press Dynamic pressing contact 17, during now the spline segment 121 of bearing pin 12 departs from the spline entrance slotted eye on slotted eye and through hole, stretches in bearing pin End top compression elasticity pad 16 makes it compress, and i.e. achieves bearing pin 12 and stretches along joint arm, and the angle manually adjusting two joint arm is allowed to Adapting with the shape of aneurysm 102, unclamp pressing contact 17, under the bullet top of cushion acts on, bearing pin 12 is along outside joint arm Stretching so that spline segment 121 coordinates with above-mentioned spline, thus lock the angle of two joint arms, above-mentioned two jig arm symmetries set Put be advantageous in that the pressing contact 17 of the bearing pin that can make in two jig arm all in outside, ensure that simultaneously two jig arm simultaneously by Pressure, the concordance of formation angle, be conducive to folder the most completely to close aneurysm, after visual area exposes, clamp above-mentioned clamping part by gripper clamp, Two jig arm 1 are opened, and the inner side of two jig arm 1 is directed at aneurysmal root, after unclamping gripper clamp, can realize folder and close this and move Arteries and veins tumor, is formed such as the use state in Figure 13, by figure and foregoing description is it can be seen that after use this utility model, no The folder needing multiple aneurysm clamp can realize the prominent irregular type refractory aneurysms in many sides again closes, when shortening operation Between, it is ensured that surgical effect.

As shown in Figures 3 to 10, this utility model, during equipped, can be carried out successively according to the structure of all parts Equipped, and due to above-mentioned slot and the setting of plug, can be body formed by the joint arm two arranging slot, in being i.e. equipped with After portion's structure, by the way of the x-ray along Fig. 5 or Y wire bonding or welding, realize overall installation of the present utility model.

As is illustrated by figs. 11 and 12, this utility model provides another kind of embodiment, its basic structure and above-described embodiment Identical, difference is to lock the concrete structure of headstock gear, and in the present embodiment, locking headstock gear includes being arranged on bearing pin Land 122 on 12 inner extending ends, the outer surface of described land 122 is provided with and radially extends and annularly-distributed multiple tracks lobe 123, The outer end of described slotted eye 15 is provided with the ring that can catch on land 122 along 151, and described ring is provided with described along the inner surface of 151 The teeth groove that lobe 123 coordinates, in the present embodiment, manually actuated pressing contact 17, when now bearing pin 12 is stretched along joint arm, ring Lobe 123 on platform 122 departs from along upper teeth groove with ring, and bearing pin inner extending end top compression elasticity pad 16 makes it compress, manually adjusts two The angle of joint arm is allowed to adapt with aneurysmal shape, unclamps pressing contact 17, under the bullet top of cushion acts on, bearing pin 12 is overhanging so that lobe and above-mentioned tooth socket fit along joint arm, thus locks the angle of two joint arms, is conducive to pressing from both sides completely Close aneurysm.

As shown in Figure 14 and Figure 15, this utility model provides another embodiment, this embodiment and above-mentioned first reality The basic structure executing example is identical, and difference is in a jig arm to arrange three joint arms, the structure of adjacent two joint arms with In above-described embodiment identical, do not repeat them here, it can realize the bending of multiple directions, i.e. can arbitrarily adjust two joints The angle of arm, thus it is adapted to difform aneurysmal neck clipping.

Certainly, this utility model can be not only used for arteriocerebral aneurysm, it is also possible to moving for other positions of health Arteries and veins tumor, this utility model is not restricted to the described embodiments, for those skilled in the art, based on concrete on this utility model The equivalent variations of structure and part replacement are all in protection domain of the present utility model.

Claims

1. an articulated type aneurysm clamp, including connected as one by elastic device and can two jig arm (1) of folding, it is special Levy and be: connecting between described two jig arm (1) and have the parallel relative fair devices of two jig arm (1) of holding, two jig arm (1) are right Claim arrange and include at least two joint arms (11) respectively, hinged by bearing pin (12) between adjacent two joint arm (11), pin The axis direction of axle is consistent with the folding direction of jig arm to be arranged, and in adjacent two joint arm, wherein a joint arm (11) is provided with Slot (13), another root joint arm (11) of being inwardly recessed outside it along jig arm (1) length direction are provided with and stretch into slot (13) plug (14) in, arranges to be provided with on the joint arm (11) of plug and inserts and rotating slotted eye for described bearing pin (15), slotted eye (15) bottom is equipped with cushion (16), and described bearing pin certainly arranges and inserts and stretch out this pass inside the joint arm of slot The lateral part of joint arm, the overhanging position of bearing pin is provided with pressing contact (17), is provided with when bearing pin edge between described bearing pin and joint arm Relatively rotating and when bearing pin will after the overhanging return of joint arm suppressing of cushion of two joint arm is realized when stretching in joint arm The locking headstock gear of the angle locking of two joint arm.

Articulated type aneurysm clamp the most according to claim 1, is characterized in that: described locking headstock gear includes being arranged on pin The spline segment (121) of the section of stretching in axle (12), described slotted eye (15) is the interior stepped hole that the most gradually aperture change is big, interior step It is provided with the spline coordinated with described spline segment (121) on aperture hole wall in hole, arranges and confession is set on the joint arm of slot The through hole that bearing pin penetrates, through hole is the outer step hole that aperture becomes larger from the outside to the core, and the aperture hole wall in outer step hole sets It is equipped with the spline coordinated with described spline segment (121).

Articulated type aneurysm clamp the most according to claim 1, is characterized in that: described locking headstock gear includes being arranged on pin Land (122) on axle (12) inner extending end, the outer surface of described land (122) is provided with and radially extends and annularly-distributed multiple tracks Lobe (123), the outer end of described slotted eye (15) is provided with ring edge (151) that can catch on land (122), described ring edge (151) Inner surface is provided with the teeth groove coordinated with described lobe (123).

4. according to the articulated type aneurysm clamp according to any one of claim 1-3, it is characterized in that: described fair device includes even Being connected on one, downside jig arm (1) and above and cover the fair bar (3) being pressed in another jig arm (1), maintain an equal level the bar (3) jig arm with downside Between formed for another jig arm (1) passage that swings, described another jig arm is through the section of stretching out after this passage and downside Jig arm is oppositely arranged.

5. according to the articulated type aneurysm clamp according to any one of claim 1-3, it is characterized in that: described elastic device includes even Being connected on two jig arm rear portions and the turn (4) being connected as a single entity with jig arm, the rear portion of two jig arm is the most outwardly and and spring Two overhanging arms of circle (4) are connected as a single entity, and jig arm is provided with straight clamping part with the outer surface of the connecting portion of described overhanging arm, Anti-slip veins is set on clamping part.